Curved motion blur on particlue fluid surfaces

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Hi all!

I searched for info on this topic but it all seems pretty old. I'm wondering if anybody recently worked out an elegant way to achieve this? The only way I found that kind of works is to calculate subframes on the particle simulation to AttributeTransfer different v values to the mesh on subframes, but the result is not perfect.
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H17 also have acceleration blur that can give you your curved motion blur if you don't wanna implement it yourself.
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Thanks, hadn't noticed in the new features.
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