가속도가 · 가속도를
acceleration
Example
내리막길에서는 가속도가 붙어서 위험해요.
On a downhill road you pick up speed, so it's dangerous.
Word parts
가 add+속 speed+도 degree
Literally 'degree of added speed'.
Good to know
가속도가 붙다 is also figurative: things gain momentum and speed up.
Related words