A motorist traveling with constant velocity of 15 m/s (about 34 mph) passes a schoolcrossing corner, where the speed limit is 10 m/s (about 22 mph). Just as the motorist passes, a police officer on a motorcycle stopped at the corner starts off in pursuit with constant acceleration of 3.0 m/s
(a) How much time elapses before the police catches the motorist?
(b) What is the officers speed at that point?
(c) What is the total distance each vehicle has traveled at that point?