What is a subject's work rate in watts if he pedals on a Monark cycle ergometer at 50 revolutions per minute (RPM) at a resistance of 2.0 kp? Assume that one revolution of the cycle ergometer flywheel is 6 m long.
a. 10 W
b. 50 W
c. 100 W
d. 200 W
Answer: c. 100 W