Grip in the turns is more important than top speed, but it is amusing to sometimes see a trailing car use its DRS and still not be able to pass a car in front which is not using DRS but which has a higher top speed. Sometimes DRS isn't enough.
It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.
-- Bertrand Russell
To make an apple pie from scratch,
you must first invent the universe.
-- Carl Sagan