Runner accelerating at 1.7 m/s² for 4.8 seconds then coasting

[jwang023]

Homework Statement

I figured out the speed of the runner at t=2.0 seconds, but I am stuck on finding v of the runner at the end of the race.

Q: At the starting gun, a runner accelerates at 1.7 m/s^2 for 4.8 seconds. The runner's acceleration is zero for the rest of the race. what is the speed of the runner at the end of the race?

Homework Equations

The Attempt at a Solution

 

[jwang023]

never mind! Figured it out!