A Child Is Riding a Merry-Go-Round That Is Turning at 7.18

Multiple Choice

A child is riding a merry-go-round that is turning at 7.18 rpm.If the child is standing 4.65 m from the center of the merry-go-round,how fast is the child moving?

A) 5.64 m/s
B) 3.50 m/s
C) 0.556 m/s
D) 1.75 m/s
E) 1.80 m/s