What does it feel like to be blasted into space, traveling more than 20,000 thousand miles per hour?

What does it feel like to be blasted into space, traveling more than 20,000 thousand miles per hour? INSIDE goes behind the scenes of a manned space launch from the Russian Baikonur Cosmodrome as seen through the eyes of the men who ride the rocket: a cosmonaut, an astronaut and even a space tourist.