Verified answer

氣促你可以寫SOB（Shortness of breath）

但係咩叫嚴重加速

我又真係唔會咁寫喎

咦, 呢題問者都係我個blog度問過

be short of breath(asthma) 氣促

speed up seriously 嚴重加速

希望幫到你啦