A motorist travels at a constant speed of 35.5 m/s through a school zone, exceeding the posted speed limit. A policeman waits 7.0 s before giving chase at an acceleration of 3.9 (m/s)^2.
(a) Find the time required to catch the car from the instant the car passes the policeman.
(b) Find the distance required for the policeman to overtake the motorist.