NEW : A ##roner says the cars ` ` are not designed to bang wheels '' as of Sunday . NEW : Weeks ago , Dan Wheldon was behind the wheel of a new prototype car for the IZOD IndyCar racing series -- one meant to make his sport safer , albeit ideally no less exciting . A says Wheldon died of ` ` blunt force trauma , '' deems death an ` ` accident '' The 2-time Indianapolis 500 winner was driving a safer IndyCar in the weeks before his death . Fellow driver Dario Franchitti says the Las Vegas speedway is ` ` not a suitable track ''
NEW : A ##roner says the cars ` ` are not designed to bang wheels '' as of Sunday . NEW : A says Wheldon died of ` ` blunt force trauma , '' deems death an ` ` accident '' The 2-time Indianapolis 500 winner was driving a safer IndyCar in the weeks before his death . Fellow driver Dario Franchitti says the Las Vegas speedway is ` ` not a suitable track ''