The Hypersonic XLC - Xtreme Launch Coaster
at Paramount's Kings Dominion in Doswell, Virginia

0 to 80 mph in 1.8 seconds - Angle of ascent: 90 degrees - Angle of descent: 90 degrees

At the end of the day - Sarah, Heidi, and Katie -
you can see another, less extreme coaster we rode at the lower right