A scientific research probe is in a low, circular polar orbit around the Moon. The orbital period of the probe is exactly 110 minutes110\text{ minutes}110 minutes. What is the angular speed of the probe?
1.5×10−4 rad s−11.5 \times 10^{-4}\text{ rad s}^{-1}1.5×10−4 rad s−1
4.8×10−4 rad s−14.8 \times 10^{-4}\text{ rad s}^{-1}4.8×10−4 rad s−1
9.5×10−4 rad s−19.5 \times 10^{-4}\text{ rad s}^{-1}9.5×10−4 rad s−1
5.7×10−2 rad s−15.7 \times 10^{-2}\text{ rad s}^{-1}5.7×10−2 rad s−1