The consolidated data of a spot speed study for a certain stretch of a highway is given in the table. The "upper speed limit" (in kmph) for the traffic sign...

Which of the following statements CANNOT be used to describe free flow speed (uf) of a traffic stream?

The acceleration-time relationship for a vehicle subjected to non-uniform acceleration is, dv/dt = (α - βv0)e-βt where, v is the speed in m/s, t is the time i...