dis·as·ter: dəˈzastər/ noun

A sudden event, such as an accident or a natural catastrophe, that causes great damage or loss of life. An event or fact that has unfortunate consequences.... "159 people died in the disaster."

Synonyms: catastrophe, calamity, cataclysm, tragedy, act of God, holocaust, misfortune, mishap, misadventure, mischance, setback, reversal, stroke of bad luck, blow.

fa·ster: adverb/comparative adverb

At a comparatively higher velocity.. "he was driving faster than anyone else."

Synonyms: quickly, rapidly, swiftly, speedily, briskly, at speed, at full tilt; hastily, hurriedly, in a hurry, posthaste, pell-mell; like a shot, like a flash, on the double, at the speed of light; lickety-split, pretty damn quick, PDQ, nippily, like (greased) lightning, hell-bent for leather, like mad, like the wind, like a bat out of hell, at warp speed.