How to "Find Target" go smoothly to the position?

[Johncro]

Is this work for you? 
3ds max 2018

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ups.. attachment

Thanks for the effort!

But, I need it just like in the original scene.
First, I need particle "Boxes" to be in "PhysX" mode and then to go smoothly to the plane (perfectly aligned). I need this kind of tyflow structure for some more complicated animation.

Thanks again!