Bí ta̍k bió pêng-hong

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Bí ta̍k bió pêng-hong (米逐秒平方; metre per second squared) sī SI tan-ūi-hē tiong ka-sok-tō͘ ê tan-ūi, it-poaⁿ siá chò m/s2 ia̍h-sī m·s−2.