It was amazing. If you've ever jumped out of a tree or off a cliff 30 feet or so over water, that was about half the experience. In addition to falling 30 feet, I was also tossed up 30 feet and 40 feet forward, so I was in the air twice as long. Once I left the catapult I was decelerating. Sounds obvious, but at the top of the arc when my acceleration went to zero, the experience was something I didn't expect.
Speed is easy to achieve in a ride, but complete detachment was a whole different thing.
After the calm of the momentary hang in space, I continued to fall. It was quiet, long, and thouroughly enjoyable. The ride up gives you time to become accustomed to the experience, then you get to come down in a clearer frame of mind. Everone who rode it came up laughing after they hit the water. It was more fun than any roller coaster I've ever ridden.