Describe the change in vertical velocity of a horizontally-launched projectile over time. A. As a projectile falls from its initial height, the vertical speed increases over time due to the force of gravity.

B. It is impossible to describe the change in vertical velocity of a falling object because it can't beliuneasured
accurately

C. As a projectile falls from its initial height, the vertical velocity remains constant

D. As a projectile falls from its initial height, the vertical velocity increases over time