The turntable of a record player has an angular velocity of 8.0 rad/s when it is turned off. The turntable?

The turntable of a record player has an angular velocity of 8.0 rad/s when it is turned off. The turntable comes to rest 2.5 s after being turned off. Through how many radians does the turntable rotate after being turned off? ume constant angular acceleration.