Causes of stuttering in children. We donât really know why stuttering happens. It might be because thereâs an error or delay in the message that a childâs brain sends to the muscles of her mouth when she needs to speak. This error or delay makes it hard for the child to coordinate her mouth muscles when sheâs talking, which results in stuttering.
The gallop averages 40 to 48 kilometres per hour (25 to 30 mph). The world record for a horse galloping over a short, sprint distance is 88 kilometres per hour (55 mph). Besides these basic gaits, some horses perform a two-beat pace, instead of the trot. In addition, there are several four-beat âamblingâ gaits that are approximately the speed of a trot or pace, though smoother to ride. These include the lateral slow gait, rack, running walk, and toelt tÃ¶lt as well as the diagonal fox. trot
Several strains of dogs have been bred for extreme speed. The fastest of all seems to be the saluki of Arabia, or the related Afghan hound, which can step out at 43 mph and overtake the fastest Arabian horse. Greyhounds and whippets sometimes reach 35 or 40 mph in dog races.. 17.88 m/s.