Find an are, length parametrization r1 (s) of the curve r(t) = (3 cos(t), 3 sin(t), $13/2 ), with the parameter s measuring from next question (3, 0, 0). (Use symbolic notation and fractions where needed.) N / W ri (s) = 3 cos (65) 2 -9 ,3 sin (68) 2 -9 (6s) - 9 N / W W/ A 4 Incorrect