Parasitism, that should be the correct answer for this question!
Definitely the flood. If a wire snaps or something, and comes into contact with the water, it can electrocute anyone who comes in contact with the surrounding water.
According to the relationship between force and acceleration, described in Newton's 2nd law of motion, increasing the force of the object would also increase the objects acceleration in the same direction to which the force is applied. It essentially starts to move even faster, than it had been before. Since the object is accelerating it changing its speed at an even faster rate.
Answer:
I would go over to them and help spot them. However, I am not very good at lifting weights so I feel that the next best thing is to call for help while you are attempting to spot them.
Explanation: