No drugs or alcohol were present in Paul Walker’s body at the time of the crash that took his life, according to a coroner’s report published Friday.

Both Paul Walker, 40, and his friend Roger Rodas, 38, tested negative for alcohol and drugs such as opiates, cocaine and marijuana. The Los Angeles County coroner’s report responded to lingering questions concerning exactly how the “Fast & Furious” star and his driving partner, Roger Rodas died.

The 15-page report shows that the two friends were speeding at more than 100 miles per hour in a Porsche Carrera GT sports car. The car slammed into a tree before bursting into flames. The car was being driven by Rodas while Walker was sitting in the passenger seat of the vehicle.

The fatal crash happened after the two men left the car shop they co-owned to take a ride in the Santa Clarita area, which is about 30 miles north of Hollywood. Rodas lost control of the speeding vehicle and the car spun out of control. The car then hit a tree before colliding with a light post.

Details from the report show that the car became engulfed in flames about a minute later.

The autopsy shows that Walker might have died before the fire and smoke started because there were only slight traces of soot present in his trachea. Had he still been alive just after the incident he may have inhaled more soot. However, his body was severely burned. His left arm, jaw bone pelvis, ribs, spine and collarbone all sustained fractures. Rodas’ body was also severely burned and fractured.

LA Sheriff’s Department said the accident was caused by speeding.

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