A Motorcycle police hidden at an intersection observes a car that ignores a stop sign, crosses the intersection, and continues on at a constant speed. The police starts off in pursuit 2 seconds after the car has passed the stop sign, accelerates at 6.2 m/s/s until his speed is 110 km/h, and then continues at this speed until he catches the car. At this instant, the car is 1.4 km from the intersection. a) How fast was the car travelling? b) Plot a graph for the two cars.
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