Synonym: komenca rapido
| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | komencrapido | komencrapidoj |
| Accusative | komencrapidon | komencrapidojn |
| Dutch | aanvangssnelheid; beginsnelheid |
|---|---|
| English | initial velocity |
| German | Anfangsgeschwindigkeit |
| Spanish | velocidad inicial |