An unmarked police car traveling a constant 85 km/h k m / h is passed by a speeder traveling 135 km/h k m / h . Precisely 1.00 s s after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 2.50 m/s2 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 constant speed)?