Solve the Problem $a(t)$ If $s(t)=-9 t^{3}-2 t^{2}-6 t-7$
A) $a(t)=-27 t^{2}-6 t-4$

Multiple Choice

Solve the problem.
-Find the acceleration function $a(t)$ if $s(t) =-9 t^{3}-2 t^{2}-6 t-7$ .

A) $a(t) =-27 t^{2}-6 t-4$
B) $a(t) =-27 t^{2}-4 t-6$
C) $a(t) =-54 t-4$
D) $a(t) =-54 t-6$