020 (part 1 of 2) 10.0 points A speeder traveling at a constant speed of 81 km / h races past a billboard. A patrol car pursues from rest with constant acceleration of (9 km/h)/s until it reaches its maximum speed of 107 km/h, which it maintains until it catches up with the speeder. How long does it take the patrol car to catch the speeder if it starts moving just as the speeder passes? Answer in units of s. Answer in units of s. 021 (part 2 of 2) 10.0 points How far does each car travel? Answer in units of km. Answer in units of km