Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

how fast is a cheetah

A cheetah can reach speeds of around 75 miles per hour (120 kilometers per hour), but only in short bursts.