Give an Arc Length Parameterization Of $\vec { r } ( t ) = \langle 1 + \sin ( 2 t ) , 2 + \cos ( 2 t ) , 3 \rangle$

Multiple Choice

Give an arc length parameterization of $\vec { r } ( t ) = \langle 1 + \sin ( 2 t ) , 2 + \cos ( 2 t ) , 3 \rangle$

A) $\vec { r } ( s ) = \langle \cos ( s ) , \sin ( s ) , 3 \rangle$
B) $\vec { r } ( s ) = \langle 1 + \cos ( 2 s ) , 2 + \sin ( 2 s ) , 3 \rangle$
C) $\vec { r } ( s ) = \langle 1 + \cos ( s ) , 2 + \sin ( s ) , 3 \rangle$
D) $\vec { r } ( s ) = \langle \cos ( 2 s ) , \sin ( 2 s ) , 0 \rangle$