3rd Tallest Roller Coaster in the World

http://www.universetoday.com/2007/10/05/nasa-is-building-the-third-tallest-roller-coaster-in-the-world-as-an-escape-system/

There was something about this in a Pop. Sci. Magazine, I can't seem to find it though.
Anyway, it seems to be a great idea, but could get to be a little rough in space suits.

Discussed to death on CoasterBuzz...