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.
In fact, pit bull isn't a breed, but a term used to describe the American Pit Bull Terrier, the Bull Terrier, the American Staffordshire Terrier, and the Staffordshire Bull Terrier. Some people say the American Pit Bull Terrier is the same as the American Staffordshire Terrier.