A sports scientist is measuring the forces on a tennis racquet using the time of contact between the ball and the racquet. The tennis ball has a mass of and hits the stationary racquet with a velocity of (right to left), it rebounds at. The time of contact was measured as. What is the average force on the ball from the racquet?

a.51.3 N

b.54.3 N

c.55.3 N

d.56.3 N