Some models of jets have been designed to reach much higher speeds than the average of 550 mph. Typically, these planes are designed for a limited number of passengers. One example is the Gulfstream G650 from Gulfstream Aerospace, which reaches speeds of up to 904 mph. Large passenger planes, such as the Boeing 747-8, can hold up to 700 passengers and reach cruising speeds of 649 miles per hour.
Summary: 1  The American Pitbull Terrier and the American Staffordshire Terrier both belong to the molesser breed group. 2  The Pitbull is taller, heavier and more muscular than the Amstaff. 3  Pitbulls are known to be passionate, aggressive, and physically powerful.  Some pitbulls today are used as police and therapy dogs.
Pit Bull is in fact a term that is popularly used to include several breeds, including the American Staffordshire Terrier, the American Pit Bull Terrier, the Staffordshire Bull Terrier, the Bull Terrier and the American Bulldog.