A Tourist Starts Along a Path of Total Length L

Multiple Choice

A tourist starts along a path of total length L at an average speed of V₁. At the halfway point (in distance) , he finds that he has used two-thirds of the time allotted for the tour. To complete the tour on schedule, his average speed for the remainder of the tour must be

A) < 2 V₁.
B) = 2 V₁.
C) > 2 V₁.
D) We have insufficient information to determine the answer unambiguously.