The Fireball is overstable and wind-resistant like the MVP Motion but has an overall straighter and longer flight profile. The Fireball has a longer forward push during its early stage of fade, where the Motion would have begun a long gradual fade. At the end of its flight, the Fireball will drop later and more abruptly than the Motion.
Flight Ratings: Speed 9, Glide 3.5, Turn 0, Fade 3.5
About the plastic: Proton has a great feel in the hand, typically on the stiffer side and they are often semi-transparent in looks. They are one of the more stable plastics out of Axiom besides Eclipse. These are extremely durable, and look really fantastic in vibrant colors.
This disc is amazing! I am in love with it and had to buy a couple of backups. Very reliable and the plastic is good in the hands. I'm very happy overall and discgolfdeals has great shipping! great A+