A greyhound is a breed, or type, of dog. Greyhounds can run very fast and are often used in racing or hunting. They can reach … source

Have you ever wondered, “How fast can a greyhound run?” Greyhounds can sprint at speeds up to 75 kilometers per hour, … source

Some dogs can run much faster than most other animals. The really fast dogs are greyhounds can sprint at speeds up to 72 km … source