The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
Jai-alai
Andy Roddick 153 mph June 11 2004
the fastest speed ever is 12874.97 mph
It is hard to determine what the average speed of a tennis serve is from various players, but Sam Qurrey is among the fastest serves of all time. He has recorded a serve of 141 miles per hour at multiple events.
Milos Raonic...with a serving speed of 225km/h
214 mph
75 mph
400 mph.
Australia's fastest animal is the Kangaroo. The fastest recorded speed of a Kangaroo is 70 km/h which is 25 km/h FASTER than the fastest recorded speed of Australia's flightless bird the Emu.
According to research the maximum spped of a sneeze leaving the nose was 165mph! the fastest recorded speed that has been recorded is... 166.7km/h
Men's tennis.
210 mph