CNN Erin Burnett OutFront February 20, 2014 04:58:00
Kate in the "sports illustrated" crew boarded g force one in florida for their top secret photo shoot. talk about manual labor. the plane climbed steeply, then dives. at the top of the hump, passengers experience weightlessness for about 30 seconds. and pay 5,000 bucks to fly up and down about 15 times. but now it was kate upton's turn. zero g or bust. >> twirling, i was upside down. it was one of my favorite experiences so far in my life. >> reporter: zero gravity flights have a reputation for being so-called vomit comets. but the company zero g says only 4% of their passengers actually get s...