Watch: Donkey runs on busy highway at lightning speed; baffles netizens

A viral video of a donkey running on a busy highway at lightning speed amazes the internet.

In the video, a donkey-drawn cart with two men can be running at high speed on a busy road amid vehicular traffic.

On the cart, one man can be seen pulling the reins to control the donkey, while the other is seen latched to the cart's wooden mount.

The video shared by Gearwrench Australia a Facebook page with a caption, 'Forget horsepower, go DONKEY power!'

The video has garnered more than 2.5 million views and has left the internet amused; some wondered whether the animal was drugged.