1) A race car accelerates as it approaches the start of a racetrack, crossing the start line with some initial speed. It completes 1 lap of the circular 1505 m track. The car was uniformly accelerating through the whole lap, and took 45.6 seconds for the whole trip. If the car's acceleration over the trip was 1.58 m/s2 , calculate:

a) the car's speed at the end of the lap

b) the car's velocity at the end of the lap