Usain Bolt's Speed Secret Unveiled

Scientists say they'll make a case for Usain Bolt's extraordinary speed with a mathematical model.
His 100m time of nine.58 seconds throughout the 2009 World Championships in Berlin is that the current record.They say their model explains the facility and energy he had to expend to beat drag caused by air resistance, created stronger by his frame of 6ft 5in.Writing within the European Journal of Physics, the team hope to get what makes extraordinary athletes thus quick.