Related Rate Question plz help!! I am stuck on this question and need help asap plzz. Mr. John is climbing a tree at a rate of 2m/s. After 1 second of climbing Mr. John is noticed by a 2m tall zombie that is 30m away from the tree. The zombie walks towards Mr. John at a rate of 5m/s. What is the rate of change of the distance between Mr. John and the zombie when the angle of elevation from the zombie to Mr. John is Pi/4. i kno that Dy/Dt = 2m/s. Dx/Dt is 5m/s. theta is Pi/4. i just cant find out how to do this plzz help!!