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.
This 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.he American Bully is similar in appearance to its ancestors the American Pit Bull Terrier and American Staffordshire Terrier, but is usually considerably bulkier, squarer-headed, shorter muzzled, and muscular than those breeds, as well as exhibiting greater variation in size.