14. A car is travelling on a straight level section of a highway through a small town at a constant speed of 108 km/h. The absented-minded driver misses the posted speed limit sign. A police car that is stopped next to the sign accelerates 7.5 m/s2 from rest 5.0s after the speeding car has passed. (a) [4 marks] How long does it take the police car to catch up the speeder? (b) [4 marks] What distance will the cars travel in that time? (c) [4 marks] What is the speed of the police car when it catches up to the speeder? (d) [3 marks] Draw a free-body diagram of the police car as it accelerates to catch the speeder. Drag (air resistance) can be neglected. (e) [4 marks] The police car has a mass of 2200 kg. Assuming that its acceleration is entirely due to the static friction between the tires and the ground, what is the minimum coefficient of static friction between the tires and the ground