The fastest pit-stop performed during an official F1 event currently stands at 2.31 seconds set by Vodafone Mclaren Mercedes in the 2012 German Grand Prix at Hockenheim for Jenson Button during his second stop of the race.
All formula one cars are fast. This year the Brawn Mercedes and the Red Bull Renault are two of the fastest F1 cars this season. The 2002 BMW F1 car is considered to be one of the fastest F1 cars in terms of straight line speed
The emergency stop buttons (safety buttons) on a CNC guillotine will stop all the actions of the machine immediately when pushed. Of all the things that could be done to stop the machine, pushing the safety button is the fastest way of all to stop it when something goes wrong.
Super Mario Bros. Holds the record for best selling video game of all time. The fastest selling video game of all time, however, which differs from the best selling, is Halo 3 for the Xbox 360 console, selling taking in over US$170 million in its first 24 hours of sales.
As of the writing of this answer, Sally Pearson's fastest time is 12.28. She is number 4 on the all time list, which means presumably she will be on the list for a long time. The people ahead of her on the list are more than 20 years older than Sally.
The currently fastest 100m belongs to Tyson Gay. He ran a unoffical 9.68 at the 2008 US olympic trials in Eugene, Oregon, USA. The fastest approved time in history belongs to Usain Bolt . He ran an "EASY" 9.69 at the 2008 Olympics in Beijing, China.