What Happened to My Level 2 Rocket?

My latest high-power rocket did not work as intended. Here's what happened and what I learned. Music: Southern Charm by Sean Kipe Anitmatter by The Westerlies (0:00) - Intro (0:27) - The Plan (1:53) - Dual Deployment (2:27) - The Altimeter (5:27) - Launch Day (6:48) - The Flight (8:41) - Post-Flight Analysis (9:47) - What Went Right? (12:30) - What Went Wrong? (14:53) - Conclusion (15:32) - Outro