The fastest ever serve recorded; 251 Km/h, was by Ivo Karlovic.
The speed of the fastest tennis shot ever recorded is 163.7 miles per hour, achieved by Samuel Groth in 2012.
Jai-alai
The fastest recorded speed for a ball in competition is 131 mph (211 km/h) from a tennis serve hit by Samuel Groth in 2012.
Andy Roddick 153 mph June 11 2004
The fastest handwriting speed ever recorded by an individual is 350 words per minute.
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
75 mph
214 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.