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.
A combination of the American Pit Bull Terrier and American Staffordshire Terrier, the American Bully breed was first created in 1990, and integrates the best qualities of both dog breeds while diluting some of the more aggressive traits.