I have just completed a set of problems using the chain rule, and have come across one I am very confused about.
m = 10grams
v = 30cm/second
accel = 5cm/s/s
what rate is K changing. I don't know how to go about applying the chain rule to the function. I have tried differentiating with respect to m, then with respect to v and multiplying by vv (v squared) and m respectively.
The answer is 1500. I can't figure out the middle step. I am guessing that accel of 5m/s/s is not required. There is no accel in the formula.