here is the problem:(adsbygoogle = window.adsbygoogle || []).push({});

A pitcher throws a baseball from the mound to homeplate, a distance of 18.5m, in .411s. What was the average speed of that ball in miles/h? If the catcher allowed his mitt to recoil backward 7.5cm while stopping the ball, what was the acceleration of the ball while it was being brought to rest?

Okay, the first part of the question I got, it was 101 mi/h, however the 2nd part has an answer of -1.4x10^4 m/s^2 for acceleration and I just cant seem to figure out how the number got that big...

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# Simple physics(acceleration) problem..

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