The drive train of a bicycle consists of wheels 67.3 cm in diameter and pedal cranks 17.5 cm long. The cyclist pedals at a steady angular rate of around 72.0 rev/min. The chain engages having a front sprocket 15.2 cm in diameter and a rear sprocket 6.25 cm in diameter.
(i) Compute the speed of a link of the chain relative to the bicycle frame.