What you see in the video is a brake test of a Leopard tank. But, instead of using a set of traffic cones as a marker of where to stop, the crazy Dutch decided to use people. Try not to flinch.

How can a tank stop so well? Simple, it comes down to traction and adhesion. Instead of four tires with small contact patches, the tank has two entire tracks to stop the vehicle. More area equals more stopping power.