Answer:
(1/3)/(1/3)=3/3=1
(1/3)/(1/3)=3/3=1ms-1
u get the speed or velocity by dividing the y axis(metres) over x axis(seconds)
which is metres (m)/seconds (s)= ms-1
so
take from the graph the differences of y axis divided by that of the x axis
1/1=1ms-1
