20. The Earth takes slightly less than one day to complete one rotation about the axis passing through its poles. The actual time is 8.616 \times 10* s. Given this information, what is the angular speed of the Earth about its axis?Ć) 7.292 \times 10-5 rad/sB) 2.321 \times 10- rad/sC) 9.951 \times 10-5 rad/sD) 6.334 \times 104 rad/sE) 1.990 \times 10-7 rad/s