sentences:  He had lost control of his Ariel Atom (a small but powerful open-topped, two-seater car) at the entrance of the Saint-Cloud tunnel.The speedometer was found stopped at 230 km/h (143 mph), although it is not known whether he was actually driving at this speed or it was a consequence of the violent impact.French television and newspapers have reported that the road was wet from rain at the time of the accident.