Thread 'How to find route if we only know velocity (with out prevalent formulation)?' Good day! I invented the situation and I consider to unravel it: Enable we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. The posting traces the background of packaging from purely natural components https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/