The position of an object that is oscillating on a spring is given by the equation X = (17.4 cm) cos[(6.45 s⁻¹)t]. What is the angular frequency for this motion?
A) 6.45 rad/s
B) 14.7 rad/s
C) 3.24 rad/s
D) 0.689 rad/s
E) 0.318 rad/s