Looking for slow motion analysis app.

[ekrabappel]

Hi all,

We are doing car crashes as a physics unit at school. The students are using model cars and making different crumple zones. To calculate the change in momentum during impact the students film the collision and replay in slow motion. Trick is we need to have a time stamp on the slomo replay that shows milliseconds. All the app I have seen only have a time stamp in seconds. Any help appreciated.

Thanks
Edna