Question 231660
How far does a car travel while dropping in speed from 20.0 m/s to 15.0 m/s in 3.5 s?
:
Average speed for this 3.5 sec period of deceleration
{{{(20-15)/2}}} + 15 = 17.5 m/s
:
In 3.5 sec:  3.5 * 17.5 = 61.25 meters