This is either the Polynesian Plunge or Samoan Splash slide at Lost Island Water Park.
https://www.thelostisland.com/attractions/polynesian-plunge-samoan-splash
Lost Island Water Park Lost Soul Falls Speed Slide
This is a POV video of the speed slide at Lost Island Water Park. I have an older (non-POV) video here: https://youtu.be/8nElcRfmpSU
http://www.thelostisland.com
Boot MacBook Pro from USB 3.0 flash drive
This is a demonstration of booting a Macbook Pro (mid-2012) from a fast USB 3.0 flash drive. This machine boots in about 20 seconds from the drive. The specific drive I used can be found here: https://amzn.to/1jOs7sm