What Is the Momentum of a 2kg Hockey Puck That $20 \mathrm {~m} / \mathrm { s }$

What is the momentum of a 2kg hockey puck that slides at $20 \mathrm {~m} / \mathrm { s }$ across an icy lake? a. $0.1 \frac { \mathrm { kg } \cdot \mathrm { m } } { \mathrm { s } }$

b. $10 \frac { \mathrm { kg } - \mathrm { m } } { \mathrm { s } }$

c. $40 \frac { \mathrm { kg } m } { \mathrm {~s} }$

d. None of the above