Crash investigators estimate that he was travelling at approximately 100 km/h at the time and, despite early speculation, an autopsy specifically excluded a heart attack from being responsible for Regazzoni's loss of control.
Os investigadores estiman que viaxaba a uns 100 km/h nese momento e, malia as especulacións, unha autopsia excluíu especificamente un infarto como responsable da perda do control de Regazzoni.