Each year thousand of people die due to this thrill it give away their lives in road accident they had not risk their own life but also put others life on risk every year a new car launched with safley features but we still come across the news of sever injuries due to road accidents  no matter how the engines of those cars are built ,its human who operating it and human error are always possible it is an obvious fact that error at a igher speed are always more dangerous than the one at lowerspeed.