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πŸ“° Since average speed equals speed at $ t = 2 $, the condition is satisfied for all $ a $, but we must ensure consistency in the model. However, the equality holds precisely due to the quadratic nature and linear derivative β€” no restriction on $ a $ otherwise. But since the condition is identically satisfied under $ b = 4a $, and no additional constraints are given, the relation defines $ b $ in terms of $ a $, and $ a $ remains arbitrary unless more data is provided. But the problem implies a unique answer, so reconsider: the equality always holds, meaning the condition does not constrain $ a $, but the setup expects a specific value. This suggests a misinterpretation β€” actually, the average speed is $ 8a $, speed at $ t=2 $ is $ 8a $, so the condition is always true. Hence, unless additional physical constraints (e.g., zero velocity at vertex) are implied, $ a $ is not uniquely determined. But suppose the question intends for the average speed to equal the speed at $ t=2 $, which it always does under $ b = 4a $. Thus, the condition holds for any $ a $, but since the problem asks to find the value, likely a misstatement has occurred. However, if we assume the only way this universal identity holds (and is non-trivial) is when the acceleration is consistent, perhaps the only way the identity is meaningful is if $ a $ is determined by normalization. But given no magnitude condition, re-express: since the equality $ 8a + b = 4a + b $ reduces to $ 8a = 8a $, it holds identically under $ b = 4a $. Thus, no unique $ a $ exists unless additional normalization (e.g., $ s(0) = 0 $) is imposed. But without such, the equation is satisfied for any real $ a $. But the problem asks to find the value, suggesting a unique answer. Re-express the condition: perhaps the average speed equals the speed at $ t=2 $ is always true under $ b = 4a $, so the condition gives no new info β€” unless interpreted differently. Alternatively, suppose the professor defines speed as magnitude, and acceleration is constant. But still, no constraint. To resolve, assume the only way the equality is plausible is if $ a $ cancels, which it does. Hence, the condition is satisfied for all $ a $, but the problem likely intends a specific value β€” perhaps a missing condition. However, if we suppose the average speed equals $ v(2) $, and both are $ 8a + b $, with $ b = 4a $, then $ 8a + 4a = 12a $? Wait β€” correction: πŸ“° At $ t = 3 $: $ s(3) = 9a + 3b + c $ πŸ“° $ v(2) = 2a(2) + b = 4a + 4a = 8a $ β€” equal. πŸ“° Passport Enquiry Status 4957561 πŸ“° Ghost Monks Fortnite 1509285 πŸ“° Anor Londo 8063842 πŸ“° This Simple Click Reveals Settings You Never Knew Existed 6295834 πŸ“° Bump On Back Of Head 4241402 πŸ“° From The 90S To Now Why Y2K Makeup Is The Hottest Trend In Beautyand How To Nail It 6161697 πŸ“° Uno Crazygames 9407618 πŸ“° Publix Ad Next Week 3339533 πŸ“° A Ladder 10 Feet Long Leans Against A Wall Reaching 8 Feet High How Far Is The Base From The Wall 6472579 πŸ“° Tore The Ice Cream Rules With Hal Ice Creamthis Flavor Is Wild 8359392 πŸ“° Mid Burst Fade Haunts Every Moment You Thought Was Forgotten 8133301 πŸ“° Social Security March Payments 3205968 πŸ“° Ipad Crestron App 4864878 πŸ“° Neighbor In Spanish 4629599 πŸ“° Switch 2 Preorder 8037015