A graph of position (x) versus time (t) of a moving object s…

A graph of position (x) versus time (t) of a moving object s a straight line with a slope of 3.2 m/s. Which of the following is/are true of this object? (i)    The object has a uniform speed of 3.2 m/s (ii)   The moving object has no acceleration (iii)   The object has a uniform acceleration of 3.2 m/s2