If you’re used to cars, 90 mph doesn’t sound all that fast. If you’re like me, you probably hit that speed while passing the drooling hordes on the freeway. But in a boat, such speed is multiplied by some geometric effect having to do with the fact that you’re riding on a floating scrap of fiberglass with no brakes, no seatbelts, and no enclosed cabin.

Read the whole story at Automobile Magazine.