Oh yeah indeed, it’s 5.1. But the clip isn’t complete. It’s part another deleted sequence and part the very beginning of the Luke deleted scene.
Not sure how I did that! Here’s a link to a proper version, and the other post has been fixed:
https://drive.google.com/open?id=12vJZ5jfd43QRUE0c0Fqp6EvQ8Vif4lQT