Part A An 15-cm-long bicycle crank arm, with a pedal at one end, is attached to a 22-cm-diameter sprocket, the toothed disk around which the chain moves. A cyclist riding this bike increases her pedaling rate What is the tangential acceleration of the pedal? from 60 rpm to 95 rpm in 10 s. Assume constant Express your answer to two significant figures and include the appropriate units. angular acceleration. View Available Hint(s) O! HA ? at= Value Units Submit Part B What length of chain passes over the top of the sprocket during this interval? Express your answer to two significant figures and include the appropriate units. View Available Hint(s) HA ? 1= Value Units