Thread 'How to define route if we only know velocity (with no widespread formulation)?' Howdy! I invented the issue and I attempt to resolve it: Let we only know velocity of going particle: ##v(t)## from ##t=a## to ##t=b##. In conclusion, the gable roof is a versatile and popular roof style https://gabletoppak.com/why-gabletop-cartons-outshine-pet-bottles-for-branding-opportunities/