Bloodhound car project relaunched

The Bloodhound supersonic car is back, under new management and preparing to renew its pursuit of the land speed record. The project went into administration last year, unable to secure the financing needed to go racing - even though the vehicle was all but built. But with the purchase of the car by entrepreneur Ian Warhurst, Bloodhound has been put on a new footing. He spoke with our science correspondent Jonathan Amos.