The fastest 1st serve was recorded by Andy Roddick at 155 MPH (248KPH), the fastest second serve is also held by Andy Roddick at 153 MPH (245 KPH). In the women's game the fastest serve is held by Venus Williams at 129 MPH (206 KPH).
A tennis ball perhaps, or a volleyball, or a racket ball, squash ball, or handball.
133
The fastest volleyball serve ever recorded was made by György Grozer, a Hungarian volleyball player, with a speed of 134 km/h (83.5 mph) during a match.
Ivo Karlovic
Serve in the US army.
128mph.
Aaron Savannah
Andy Roddick's former record of 155 mph (249 kph) is now the second fastest men's serve. The fastest serve record is held by Ivo Karlovic of Croatia. His record serve of 156 mph (251 kph) was hit during a first round Davis Cup doubles match on March 5, 2011.
Google Andy Roddick; he has the fastest serve right now at 157 (I think) mph. It might be on a tape or CD of the tournament he accomplished it in.
Rafael Nadal's fastest serve was 135 mph. (217 km/h)
210 km/h by Chris Evert