Bernie Collins explains powerful pit stops, strategy training + DRS tricks

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 F1Explains@F1.com

You might find your answer in a previous episode:

• How F1 teams stay fit, healthy + ready to race
• 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