The reaction $X \rightarrow$ products is a first-order reaction. If the concentration of reactant $X$ decreases from $0.1 \, M$ to $0.025 \, M$ in $40 \, \text{minutes}$,what will be the rate of the reaction when the concentration of the reactant is $0.01 \, M$?
- A$1.73 \times 10^{-4} \, M \, \text{min}^{-1}$
- B$3.45 \times 10^{-5} \, M \, \text{min}^{-1}$
- C$3.47 \times 10^{-4} \, M \, \text{min}^{-1}$
- D$1.73 \times 10^{-4} \, M \, \text{min}^{-1}$
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