Seriously speedy petrol heads must try this radical sr3 rs driving thrill at silverstone in northamptonshire with a 0 60 mph time of just three seconds and the ability to beat a ferrari 458 the radical is a racetrack speed demon with capabilities that must be experienced to be believed start with a briefing and an introduction to the radicals controls before being driven around the full 36 mile grand prix circuit for two laps by a qualified instructor to learn the layout of the track ne