Same velocity means same
acceleration for two objects.
Two cars are set to drag race. The two cars are driven by
Dastardly Dave and Honest Abe. Dastardly Dave jumps the flag and
starts at t = 0 s, accelerating at a constant rate. One second later
Honest Abe starts, accelerating at a constant rate. At t = 4 s, they
both have the same speed. Compare their accelerations at t = 4
Since the change in speed is the same for
both drivers (from rest to the "same speed" at 4 s), and Honest Abe
took a smaller time (4 s) to reach that speed than did Dastardly Dave
(5 s), Honest Abe must have a larger magnitude for his
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