A component on a high-frequency vibration test rig undergoes simple harmonic motion. The component has a maximum speed of 3.2 m s-1 and an amplitude of 8.0 mm.
What is its angular frequency?
0.40 rad s−10.40\text{ rad s}^{-1}0.40 rad s−1
400 rad s−1400\text{ rad s}^{-1}400 rad s−1
40 rad s−140\text{ rad s}^{-1}40 rad s−1
2.5 rad s−12.5\text{ rad s}^{-1}2.5 rad s−1