Brooklyn's car is stopped at a red light. When the light changes, the car accelerates to 75 miles per hour in 15 seconds.

Question

What is the approximate rate of change in the miles per hour that Brooklyn's car accelerated?
Responses
A 15 miles per hour per second15 miles per hour per second
B 5 miles per hour per second5 miles per hour per second
C 6 miles per hour per second6 miles per hour per second
D 45 miles per hour per second

Answer 1

B 5 miles per hour per second