Blender cannon firing + explosion

Hello everyone!
This took a exorbitantly long time to make.
I would like some feedback on how I could improve my animations.

Made using Blender
https://www.blender.org

Stats about the rendered project
Resolution 1920 x 1080
Render engine: Cycles
Samples 108
Frames rendered: 1500
Frames used: 1341

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