ffmpeg -i [input] -r 50 -filter:v "setpts=1.2*PTS" -y [output]
sox [input] [output] tempo 0.8333ffmpeg -i [input] -filter:a "atempo=0.8333" -vn [output]
ffmpeg -i [input] -r 50 -y [output]
93 sec @ 24fps = 2232 frames
sox
ffmpeg