This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.In this episode you will learn:- The maximum legal groundspeed for a drone under FAA Part 107 is 100 mph, which is equivalent to 87 knots.- Why the FAA exam focuses on groundspeed instead of airspeed, with wind being the key variable.- How to perform the essential exam calculation: Airspeed + Tailwind or Airspeed - Headwind to determine your true groundspeed.- To identify a common exam trap where a legal airspeed becomes an illegal groundspeed due to a strong tailwind.- A simple mnemonic for the test: "Tailwind adds, headwind subtracts, for the groundspeed facts."For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep