Without being able to open or access the contents of the file, it's difficult to provide specific details about its contents. However, based on the filename, here are a few inferences:

After extraction, locate the Roughman Injection.avi file. If it doesn’t play automatically:

If you don’t already have software to open .rar files, download one of the following:

For Mac Users:
Use The Unarchiver or Keka: