If you start from rest and accelerate at 15 mph/s for 5 seconds, how fast will you be traveling at the end?
A) 75 mph
B) 45 mph
C) 3 mph
D) 12 mph
E) 20 mph

Question

Quizplus · Accepted Answer

Acceleration is the rate of change of velocity. If you accelerate at 15 mph/s for 5 seconds, your speed increases by 15 mph every second. Therefore, after 5 seconds, your speed will be 15 mph/s * 5 s = 75 mph.

If You Start from Rest and Accelerate at 15 Mph/s