Answer:
The answer is 5,368,709,120
97% is all it is. pretty simple actually.
We can consider that the runner did an acceleration of 0.8 m.s during the 10 seconds of difference.
We can deduce that the runner did an acceleration of 0.08 m.s every second during this time.
You need to show quadratic model, in order for me to answer.
First term is 2 and the common difference is the value by which it increases which is 2.