(Solved): The sprockets and chain of a bicycle are shown in the figure. The pedal sprocket has a radius of 4 ...

The sprockets and chain of a bicycle are shown in the figure. The pedal sprocket has a radius of 4 in., the wheel sprocket a radlus of 2 in , and the wheel a radius of 13 in. The cyclist pedals at 45 rpm. (a) Find the angular speed of the wheel sprocket.