According to the projectile motion model, which statement below best describes vo? Choose the best description below. OA. The expression vo represents the velocity of an object launched, thrown, or shot vertically into the air at the instant the object hits the ground. OB. The expression vo represents the maximum velocity of an object launched, thrown, or shot vertically into the air. OC. The expression vo represents the velocity of an object launched, thrown, or shot vertically into the air at any time such that t#0. OD. The expression vo represents the initial velocity of an object launched, thrown, or shot vertically into the air.