please help me ! promise I will mark you as brainiest
17. A vertical cross-section through a water wave moving from left to right is as shown. Which of the labelled point is moving upwards with maximum speed?
![please help me promise I will mark you as brainiest17 A vertical crosssection through a water wave moving from left to right is as shown Which of the labelled class=](https://us-static.z-dn.net/files/dfd/e87f9872d16fedd4e46638d2f4ad0dd4.jpg)