FIRE IN FREEFALL - rare physics experiment

Space isn't 0 gravity, particularly on the space station.  The space station is still experiencing the force of gravity on earth, however, it is moving parallel with respect to the ground faster than gravity is pulling it down, so it stays in orbit. 

I know I'm nitpicking, but I just find it really cool that the concept of an orbit is moving sideways faster than gravity's downward acceleration.