Those who possess intrinsic motivation are more likely to
a. reach their goal
c. never give up
b. solve their problem
d. all of these

c. the runner should sprint as fast as possible to the finish line.

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.