1. t Vf - vi Acceleration Problem Set Name: ______________________
a = vf – vi t
a =
Vf or VB=
Vi or VA =
t =
The unit for acceleration depends on the units for velocity and time.
For all questions, show your work, and round final answers to the tenths place.
Vf - vi a t
A skater increases her speed from 2 m/s to 10 m/s in 3 seconds. What is her acceleration?
A car accelerates at a rate of 3 m/s2. If its initial speed is 8 m/s, how many seconds will it take for the car to reach a final speed of 25 m/s?
When driving on the highway, you slow from 24 m/s to 15 m/s in 12 s. What is your acceleration?

2. 4. A cart rolling down a hill for 5 s has an acceleration of 4 m/s
4. A cart rolling down a hill for 5 s has an acceleration of 4 m/s. If the car had an initial speed of 0 m/s, what was its final speed?
5. A helicopter’s velocity increases from 35 m/s east to 60 m/s east in 5 seconds. What is its acceleration?
6. A car starting from rest accelerates at a rate of 8 m/s. What is its final speed after 4 s?
7. After traveling for 6 s, a runner reaches a speed of 10 m/s. He started at rest. What is his acceleration?
8. A skater traveling at 7 m/s rolls to a stop at the top of a ramp in 3 s. What is the skater’s acceleration?