This is before the "Rocket Delay Rework", but here's a Player's first CV Tutorial:
Direct Video Link: https://www.youtube.com/watch?v=0d6hcgqNBJ4&t=1s
If you want to learn further about how to aim and CV basics, this is a coaching session with a newer player:
Direct Video Link: https://www.youtube.com/watch?v=87TM7diyNXc