The cause of Paul Walker's fatal crash revealed

It's been revealed that the cause of Paul Walker's fatal car crash was speed not mechanical problems. The Porsche was travelling approximately 90 mph instead of speed limit sign of 45 mph when it lost control on a suburban street ,crashing into a pole and burst into flames killing Walker and Roger Rodas..
According to a person who has reviewed a report by the Los Angeles County Sheriff's Department and California Highway Patrol...
"Investigators calculated that his best friend Rodas was driving between 81 mph and 94 mph when his 2005 Porsche Carrera GT began to drift as it lost control after coming out of a curve.The vehicle had no mechanical failure and the damage that occurred to the vehicle was from the collision,"