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Revolution of Sky Screamer

TRIG-JAGVGN

The Sky Screamer ride at Six Flags lifts people up $242$ feet off the ground before spinning faster and faster until it reaches a maximum speed of $40$ miles per hour. The spinning swings create a circle $98$ feet in length through the center (this is diameter).

Determine the revolutions per minute for this ride when it is spinning the fastest.

A

$8.6$ rev/min

B

$9.4$ rev/min

C

$10.9$ rev/min

D

$11.2$ rev/min

E

$11.4$ rev/min