Sean is running a 100m dash. When the starter's pistol fires, he leaves the starting block and continues speeding up until he reaches his top speed of 11m/s 6s into the race. He holds this speed for 2s and then gradually slows down until he crosses the finish line 11s after he started the race.
a. What was Sean's average accelaration during the first 6s of the race?
b. What was Sean's average acceleration from 6 to 8s into the race?
c. What was Sean's average velocity for the whole race?
d. Which direction was Sean's acceleration in during the last 3s of the race?
e. Draw a velocity vs time and acceleration vs time plot for this activity.