I'm %99.99 positive that the because water is run down along the cable to keep it cool, when it's launching and the cable is pulling fast through the pulleys, it causes the water to come off the cable as steam/mist.
...Six Flags took all of Cedar Point's trash cans! Dick Kinzel was infuriated, so he burned down El Toro! The Voyage was automatically given the title of #1 wooden coaster in the US, until...
That's really, really, sickening. What would make you want to do that? I couldn't hurt anything bigger than a bug. I hope the girls have some serious consequences.
-Nick