Formula 1 cars are fast. That is taken as read. But exactly how fast they are is perhaps not something people dwell on too often. (...)

The manipulation of air around a car is the single biggest performance differentiator in F1 - and collectively the teams employ hundreds of people and spend many millions of pounds on refining it to find that crucial extra bit of speed.

I am one of the people who does that. I am a senior aerodynamicist for an F1 team and I hope to try to explain to you some of the secrets behind F1 cars. I can't tell you my name, or where I work, because my team would not want me to be doing this. F1 is a secretive world. So let's just call me The Secret Aerodynamicist. (...)

https://www.bbc.com/sport/formula1/47527705