Home›Hyperbolic functions›신속도🌐한국어EnglishDeutschFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربية한국어中文日本語EntityQ1366833· pop 17· linked from 195 articles신속도thumb|upright=0.85|Rapidity is the value of for velocity and speed of lightGallery (2)Available in 17 languagesFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanChuvashCroatianConnectionshyperbolic functionEntityframe of referenceEntityCategoriesHyperbolic functionsSpecial relativityVelocity