The Porsche Carrera GT that Paul Walker was riding in was traveling faster than 100 miles per hour when the car crashed on Nov. 30, killing both the actor and the car's driver, Roger Rodas, according to the Los Angeles County Coroner's Office's final report, obtained by The Hollywood Reporter.
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There were no drugs or alcohol found in Walker's or Rodas' systems, according to the coroner's toxicology report. Rodas lost control of the car "for unknown reasons," causing the the car to partially spin and hit a tree and a light post before exploding, the report states.
Walker died from traumatic and thermal injuries sustained during the car's explosion. Rodas died from traumatic injuries suffered upon impact.
The two had been at a fundraiser event for Walker's charity, Reach Out Worldwide, in Santa Clarita, Calif.