How Do You Slow Down the Banner Moment in a Bama Bound Clip? An ffmpeg Speed Ramp That Keeps the Sound in Step (Tested)

Checked November 13, 2026 (15:00 CST, UTC+8). I build bamabound.app, a studio that turns one photo of one person into a vertical clip of them holding a red I'M BAMA BOUND banner. All the test clips be