> If that's a 60fps camera (I think it is?) ... The camera appears to be recording at a rate of about 10 frames per second. This is a way to reduce memory cons

> If that's a 60fps camera (I think it is?) ... The camera appears to be recording at a rate of about 10 frames per second. This is a way to reduce memory consumption in a portable device in which recording duration has a higher priority than recording frame rate. AT 10 FPS, the rock's sequential positions seem consistent with a falling rock. And, lo and behold: http://gopro.com/cameras/hd-hero3-silver-edition http://gopro.com/cameras/hd-hero3-silver-edition Quote: "Features video resolutions up to 1080p60, 10MP photos up to 10 frames per second, enhanced low-light performance and built-in Wi-Fi. Waterproof to 131’/40m." According to the above, ten frames per second is the highest available frame rate. > Or a particularly slow meteorite. Not a meteorite until it gets to the ground.