I'm used to throwing a retro burst rather than retro. However, finding any version of retro is hard to find in America. My disc of retro plastic is slightly different, but it's still good.
For reference of arm speed, I am a beginner with an average driver length of 90m. When throwing the Pearl at a normal, straight angle (backhand), it is for me really under stable which makes it perfect for situations where I don't want or can throw a backhand with an anhyzer. I am a right handed player, so for me the Pearl goes straight during the first 30-40m and then turns right and dos not flip back again to the left.
Retro Burst Pearl