You can resample an existing AVI file. When you open AVI file, information about this file will be displayed on the screen. You can press on the 'Play Original AVI' button in order to play it with your default AVI player.
You can specify new speed and/or compressor (codec) for your new AVI file. Then click on the 'Resample AVI File' in order to choose a name for the new file and resample it. You can press the 'ESC' key to terminate the resampling process.
After resampling, you can play new AVI by clicking on the 'Play New AVI File' and display information about the new file by clicking on the 'Display New File's Info' option.