Thread 'How to define route if we only know velocity (with no popular formulas)?' Good day! I invented the trouble And that i try to resolve it: Enable we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. Obtainable in a few common sizes of 300ml,500ml and 1000ml, https://gabletoppak.com/water-in-a-sustainable-box-the-future-of-eco-friendly-hydration/