Thread 'How to define route if we only know velocity (devoid of common formulation)?' Hello! I invented the issue and I attempt to solve it: Allow we only know velocity of shifting particle: ##v(t)## from ##t=a## to ##t=b##. A carton is often defined as a container made out of paperboard https://gabletoppak.com/why-i-switched-to-water-in-a-sustainable-box/