A bicycle chain is wrapped around a rear sprocket (r = 0.038 m) and a front sprocket (r = 0.11 m). The chain moves with a speed of 1.6 m/s around the sprockets, while the bike moves at a constant velocity. Find the magnitude of the acceleration of a chain link that is in contact with each of the following:
(a) the rear sprocket
(b) neither sprocket
(c) the front sprocket
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