Solve the Problem $50 \mathrm { mph }$ If Its Tires Have a Diameter of 26 Inches

Multiple Choice

Solve the problem.
-A car is traveling at $50 \mathrm { mph }$ . If its tires have a diameter of 26 inches, how fast are the car's tires turning? Express the answer in revolutions per minute. If necessary, round to two decimal places.

A) $638.41 \mathrm { rpm }$
B) $1,292.82 \mathrm { rpm }$
C) 4,061.54 rpm
D) $646.41 \mathrm { rpm }$