Thread 'How to find route if we only know velocity (with no typical formulation)?' Good day! I invented the condition And that i try to unravel it: Permit we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. Gabletop Pak gives an in depth choice of gable leading https://gabletoppak.com/sustainability-in-action-gable-top-cartons-to-save-our-oceans/