A Person of Mass $50 \mathrm {~kg}$ Has a De Broglie Wavelength Of

Multiple Choice

A person of mass $50 \mathrm {~kg}$ has a de Broglie wavelength of $4.4 \times 10 ^ { - 36 } \mathrm {~m}$ while jogging. How fast is she running? $\left( h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$

A) $4.0 \mathrm {~m} / \mathrm { s }$
B) $3.0 \mathrm {~m} / \mathrm { s }$
C) $2.0 \mathrm {~m} / \mathrm { s }$
D) $5.0 \mathrm {~m} / \mathrm { s }$