How long does it take for a body to decay?

Well it really depends on the human body... Decompose?

24-72 hours after death, the internal organs begin to decompose. 3-5 days after death the body starts bloating. Blood-containng foam begins leaking from mouth and nose. 8-10 days after death, massive decompostion of organs in abdomin accumulate massive gas; body turns from green to red becuase of blood decomposition. Several weeks after death the nails and teeth begin to fall. 1 month after death the body starts to become fluid.

It's speed of rotation.

It was said to have happened by earthquakes, the shifts in the tectonic plates moved everything