Why is the 'undercut' pit stop strategy more powerful at some tracks than others? Formula 1 strategists make race-changing decisions under huge pressure. How do they practice? What is a 'DRS train' and how does being in one change a driver's race?

Former Aston Martin Head of Race Strategy Bernie Collins answers these questions and more in a quickfire special.

Yiorgios in Greece, Carla in Kentucky, Luana in Switzerland, Chad in Tennessee, Katherine in Illinois, April in Toronto, John in Minnesota, Lennon in New Jersey and Ken in Ohio had their questions answered in this episode. Send yours to [email protected]

Meet the mechanics in an F1 garage - with Kick Sauber

How F1 teams work - from factory to racetrack

LIVE at Silverstone with Mika Hakkinen + F1 Explains listeners

How F1 lap times are recorded - with an official F1 timekeeper

What F1 drivers eat - with Oscar Piastri's nutritionist, Dr Dan Martin

How F1 helmets are made - with Bell Racing

Ask a Formula 1 Driver – Liam Lawson answers your questions

Inside the FIA Safety Car - with driver, Bernd Mayländer 

How F1 video games are so realistic - with EA SPORTS F124

LIVE in Miami with Guenther Steiner + F1 Explains listeners

F1 race suits, boots, gloves + underwear - with PUMA

F1 brakes - technology + technique - with Brembo + Jack Doohan

The job of an F1 Team Principal - with Aston Martin's Mike Krack

Why F1 teammates are friends + foes - with Valtteri Bottas + Zhou Guanyu

How Formula 2 + Formula 3 prepare drivers for F1 - with Oscar Piastri

F1 Academy - with Susie Wolff + Lia Block

The F1 race start - with Mick Schumacher + strategist Bernie Collins

Behind the scenes on Drive to Survive - with Exec Producer James Gay-Rees

Why F1 pre-season testing matters - with Mercedes, McLaren + Alpine

How F1 teams build their new cars - with Aston Martin Technical Director Dan Fallows

Tickets for the US Grand Prix in Texas, the Las Vegas Grand Prix and the rest of the 2024 F1 season are available now at tickets.formula1.com