Moon mass = 7.34767309 × 10^22 kilograms (it hadn't been hollowed out yet)
Distance covered = 384402×10^3 m
Now, since we don't have a timeframe, I'll assume 3 timeframes
10 minutes, 30 minutes and 1 hour
10M Velocity = 384402×10^3 m/600s = 640670 m/s
KE = 1.50796E+34 J
3.60411089866156801e+24 Tonnes of TNT or Large Planet level
30M Velocity = 384402×10^3 m/1800s = 213556.667 m/s
KE = 1.67551E+33 J
4.00456500956022947e+23 Tonnes of TNT or Planet level
60M Velocity = 384402×10^3 m/3600s = 106778.333 m/s
KE = 4.18877E+32 J
1.00114005736137666e+23 Tonnes of TNT or just above baseline Planet level