An audio compact disk (cd) has a playing time of 74 minutes. When the music starts, the cd is rotating at an angular speed of 480 revolutions per minute (rpm) and during the playback the rotation slows down. The average angular acceleration of the cd is = -3.65 rev/min2 . Find the angular speed at which the cd is rotating at the end of the music. Express your answer both in rev/min and also in rad/s.
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