How fast was a velociraptor?

"Most scientists believe Velociraptor was the fastest of all dinosaurs. But how can they know exactly how quick it was, how big, or how smart? After all, no one has actually seen one! Come along and find out lots of . . . facts in this . . . exploration of the Velociraptor--and see how the fierce, feathered creature compares in speed to some of today's animals, vehicles, and [humans]!"--Provided by publisher.