Find the Length of the Curve $\mathbf { r } ( t ) = 8 t \mathbf { i } + 3 \cos t \mathbf { j } + 3 \sin t \mathbf { k }$

Multiple Choice

Find the length of the curve $\mathbf { r } ( t ) = 8 t \mathbf { i } + 3 \cos t \mathbf { j } + 3 \sin t \mathbf { k }$ $0 \leq t \leq 2 \pi$

A) $2 \sqrt { 73 }$ $\pi$
B) $\sqrt { 73 }$ $\pi$
C) $\sqrt { 11 }$ $\pi$
D) $2 \sqrt { 11 }$ $\pi$