superballistic

(physics) That moves faster that it would under its own momentum

Japanese Meaning

自らの運動エネルギーだけでは到達できない速さで動く現象（物理分野において）

The superballistic expansion of the plasma cloud outpaced predictions based solely on its initial momentum.

プラズマ雲は自己の運動量で動くよりも速く拡大し、初期の運動量だけに基づく予測を上回った。

Sense（1）

(physics) That moves faster that it would under its own momentum

more superballistic

（ comparative ）

most superballistic

（ superlative ）