Quite simply, foot flat and as fast as possible.
When discussing the features of the circuitA circuit is a racetrack for car racing. There's more..., the commentators will reference the percentage of the take that is taken at full throttle. For example, the Hungaroring
The Hungaroring is the home of the Formula One Hungarian Grand Prix in the city of Budapest. The tight and... There's more... is taken at 60% full throttle.