Mercury Shot

These are 3 frames from a video I am busy making, completely in Blender. Basically it is a scene in micro gravity with a drop of mercury that gets shot with a steel projectile (indicated by the red arrows). The video size is 4K (4098 x 2160 pixels). Each frame takes 2 hours to render; rendering began on 24 December. The finished video will be about 200mb in size.