The Bloodhound SSC is a vehicle being designed to brake the speed of 1,000 mph. To know more read below links. It has a Rolls-Royce Eurojet. An after burning turbofan with Nammo HTP hybrid rocket. It is still under development and the project has been running for a few years now.
Soon, in South Africa, the proof will be in the pudding.
BBC News - Bloodhound SSC to visit Northamptonshire schools