2. In projectile motion (such as with a thrown baseball), which is true about velocity and acceleration ?
(A)  is always tangent to the path and is always downward.
(B) is always perpendicular to the path and is always horizontal.
(C) is always perpendicular to the path and is always downward.
(D) is always tangent to the path and is always horizontal.
(E) is always downward and is always tangent to the path.

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