First instinct is to swim': my trip on a zero-gravity flight with an Esa astronaut

"During the three-hour flight, sometimes referred to as the vomit comet, the plane will trace out 31 parabolas soaring arcs in the sky."

"At this point, the engines are all but cut and the plane and everyone within are slingshotted into a freefall trajectory, experiencing zero gravity."

Read at www.theguardian.com