It was first reported that the vehicle “Fast & Furious” star Paul Walker died in was traveling 40 mph, but the official cause of death was released by the Los Angeles County Coroner's office Friday. As it turns out, the car was going much faster. 
TMZ obtained documents from the report, which stated Walker, 40, "combined effects of traumatic and thermal injuries." It also stated the car was going more than 100 mph when it hit a curb and then crashed into a pole and a tree before nearly splitting in half and bursting

                                                                                                     into flames, as stated by E! Online.

The Hollywood star’s body was so badly charred none of his organs were suitable for donation. TMZ wrote the report stated his body was found in a “pugilistic stance,” which means he was in a defensive position and essentially bracing himself for impact. There was also "scant soot in Walker's trachea," which means he might have taken a breath after the accident but sources who are close to the accident’s investigation told TMZ they believed Walker died almost immediately. The normal level of carbon monoxide for a person to have saturated in his or her bloodstream is 2 percent; Walker had 14 percent and Rodas’ body had 10 percent. 
As previously written, the coroner said he died from the combined effects of traumatic and thermal injuries received during the fatal accident in Santa Clarita, Calif., on Nov. 30. Right before the crash, Walker and his friend Roger Rodas had attended an event for the actor’s charity, Reach Out Worldwide.
Walker had filmed nearly half of “Fast & Furious 7,” the next installment in the franchise that made him a star. According to The Hollywood Reporter, instead of killing off his character Brian O’Connor, Universal has decided to “retire” his character. The film is set to be released April 10, 2015.