Solve the Problem $v(t)$ If $s(t)=-7 t^{3}-7 t^{2}-6 t+3$
A) $v(t)=-21 t^{2}-6 t-14$

Multiple Choice

Solve the problem.
-Find the velocity function $v(t)$ if $s(t) =-7 t^{3}-7 t^{2}-6 t+3$ .

A) $v(t) =-21 t^{2}-6 t-14$
B) $v(t) =-21 t^{2}-14 t-6$
C) $v(t) =-42 t^{2}-14$
D) $v(t) =-42 t^{2}-6 t$