The wheel of a car is rotating at the rate of $1200$ revolutions per minute. On pressing the accelerator for $10 \ s$,it starts rotating at $4500$ revolutions per minute. The angular acceleration of the wheel is:
- A$30 \ rad/s^2$
- B$1880 \ deg/s^2$
- C$40 \ rad/s^2$
- D$1980 \ deg/s^2$
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