This is my first shooting reference for physics123 class. After shooting I looked for the good throw in the video. Then I look for the lowest point, highest point, middle point, and when I finish I take it from the video and make it into a jepg and edit with photoshop.
From the first image to the second image the timing is 9 frames; from the second to the third it's only 6 frames. That's why the ratio of the spacings is only 2-to-1 instead of 3-to-1.
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