If $f ( t ) = \sqrt { 9 t + 1 }$

Multiple Choice

If $f ( t ) = \sqrt { 9 t + 1 }$ , find $f ^ { \prime \prime } ( 5 )$ .

A) $- 0.065$
B) $- 0.033$
C) $\quad 0.015$
D) $- 0.22$
E) $0.044$