1.) A race car driver must average 190.0 km/h over the course of a time trial lasting ten laps. If the first nine laps were done at an average speed of 188.5 km/h, what average speed must be maintained for the last lap? 2.) An unmarked police car traveling a constant 95 km/h is passed by a speeder traveling 138 km/h. Precisely 1.00 s after the speeder passes, the officer steps on the accelerator. If the police car's acceleration is 2.50 m/s^2, how much time passes after the police car is passed by a speeder and before the police car overtakes the speeder (Assumed moving at a constant speed)