Carlos has a collection of old vinyl records. To play some of the records, the turntable rotates through an angle of 3/2pi radians in 1 second. How many revolutions does the record make in one minute?
A. 33 1/3 revolutions per minute
B. 45 revolutions per minute
C. 78 revolutions per minute
D. 16 2/3 revolutions per minute
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