We have found an ancient video of the first expedition to Mars. Our scientists suppose that it may contain an encrypted message to descendants. Help us to get it!

btsync: BDEIQNZW6RS3M76QE5AAYRMTX7OZV73OC

https://s3.amazonaws.com/volgactf/stegasic/100/task.wmv

HINT: guys, do u love first person shooters?
HINT UPD: and abbreviations...
HINT 2: Sometimes the rate of something matters. For example, here's how an 'A' can be encoded.

https://s3.amazonaws.com/volgactf/stegasic/100/stegasic100.png