The velocity-time data in the table shows that the object has an acceleration of 10 mss. The rate of change in velocity is the acceleration. So we will take arbitrary points A and B along the path in which the car travels through A to B.
V2-u22as v2 u2 2as.
Plugging in the numbers you get the following. For instance lets consider a car traveling on a straight path and that the driver is pressing down on the gas pedal. To do this you need to know equation for acceleration. This is an online calculator to find the average acceleration with the given values.