Time and Motion

There are exactly 86,400 seconds in each day. 

The circumference of the Earth is 40,075.16km at the equator.

Starting at 12:00 Noon GMT (Midnight at the International Date Line), 

the day sweeps by at the brisk pace of 463.83meters/ second; 

27,829.97 meters/ minute; or 1669.80km/ hour