Petrol heads with a serious need for speed are sure to love this radical sr3 rs driving thrill at silverstone the home of the british grand prix with a 0 60 mph time of a mere three seconds the radical is a genuine speed machine with racing capabilities that have to be seen to be believed start the experience with a briefing and demo laps to show you the track then get ready for action take charge of the rapid radical sr3 rs for three 12 minute driving sessions around all 36 miles of t