If you travel from the earth to the moon and back in 144 hours how fast are you going?

For a simple answer, we have to assume that you travel in a straight-line path to the

moon, just touch the surface, immediately head back, and return in a straight line.

Average distance from earth to the moon: 238,855 miles.

Round-trip distance: 477,710 miles.

Speed = 477,710/144 = 3,317 miles per hour.