These type of things don't scare me, it's more for the speed.

I'm the kinda guy who'll jump out a plane for the view and not the thrill because frankly, it's not that exciting. (Saying this from experience)

I've heard bungee jumping is a bit more thrilling because you are falling head first. And the general consensus seems that people are afraid of these type of things. I'd like to take whichever girl I'm dating for this, and jump tandem with her to I can hold her, and assure her that she is safe with me.

Oh and the nakedness factor is simply to spice things up (now that would be thrilling)