A world-class sprinter accelerates to his maximum speed in 3. He then maintains this speed for the remainder of a 100-m race, finishing with a total…

A world-class sprinter accelerates to his maximum speed in 3.8 s. He then maintains this speed for the remainder of a 100-m race, finishing with a total time of 10.3 s. What is the runner’s average acceleration during the first 3.8 s?

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