In physics, escape velocity is the minimum speed needed for an object to break free from the gravitational attraction of a massive body. The escape velocity from earth is about 40,270 km/h (25,020 mph).
Staffordshire Bull Terriers. American Bully. The American Bully was recognized as a breed by the United Kennel Club (UKC) in the summer of 2013. It first appeared in the 1990s and was created by crossing American Pit Bull Terriers, American Staffordshire Terriers, and other breeds.
The American Bully is a recently developed breed of dog which was bred to be a companion dog and show version of the American Pit Bull Terrier and the American Staffordshire Terrier.his is only those parts of the history of the American Pit Bull Terrier and American Staffordshire Terrier that most impact that of the American Bully, for more information on those breeds please see the article on The Bully Breeds, a term used to describe a group of breeds often also called Pit Bulls.