<iframe src="https://podv2-archives.unistra.fr/video/27820-vitesses-relatives/?is_iframe=true" width="640" height="360" style="padding: 0; margin: 0; border:0" allowfullscreen loading='lazy'></iframe> Vitesses relatives Pod https://podv2-archives.unistra.fr/videos/?owner=abailly 360 https://podv2-archives.unistra.fr video 640 1.0 Armelle Baldeyrou-Bailly