A Particle Moves from X₀ = 30 Cm to X

Multiple Choice

A particle moves from x₀ = 30 cm to x = -40 cm in 5 s.The average velocity of the particle during this time interval is

A) 2 cm/s.
B) -2 cm/s.
C) 14 cm/s.
D) -14 cm/s.
E) -140 cm/s.