A cricket ball of mass 500 g is moving with a speed of 36 km h⁻¹. It is reflected with the same speed. What is the impulse applied on it?

a. 20 kg m s⁻¹
b. 5 kg m s⁻¹
c. 25 kg m s⁻¹
d. 10 kg m s⁻¹