…its acceleration is 10,000 times greater than gravity. Moving through water, it reaches a top speed of 50 miles per hour. It creates a pressure wave that boils the water in front of it, creating flashes of light and immensely destructive bubbles. The club reaches its target in just three thousandths of a second, and strikes with the force of a rifle bullet.
Sent by Laurie Sinclair-Emersonvia, elaborated via blogs.discovermagazine.com