A Particle Moves Along a Straight Line with Equation of Motion

Multiple Choice

A particle moves along a straight line with equation of motion $s = t ^ { 2 } - 2 t$ . Find the instantaneous velocity of the particle at time t = 1.

A) 1
B) 4
C) 0
D) 3
E) 8
F) 6
G) 5
H) 2