I posted this link a couple of weeks ago about the crazy windboarder.
Since then, I've had some interesting feedback.
excerpted from a comment: "AHHHH!!! I just kept saying "don't let go! don't let go! don't let go" over and over in my head while I held my breath."
[hysterical laughter to the point of tears]
My very large study group of 6 (3 each M/F) shows this reaction to be universal.