Yowza. I think if I hopped on this jet-powered boat in New Zealand my hair would fall out, my neck would get stretched out and my face would be permanently smushed in. It goes fast. Like a runaway roller coaster that's off its track fast. I mean, look how quickly it zips in and around the turns of the canyon.
The boats are basically beasts:
Skippers Canyon jet's boats are powered by Chevrolet v8 engines producing 450 horsepower and operate on high octane aviation fuel.
The thrust comes via a Hamilton jet 212 jet unit pumping 25000 litres of water per minute.
You can learn more about the crazy ride at Skipper Canyon Jet.
Here's a first person view of the speed: