The speed of sound through argon is shown.

A 3 column by 3 row table.
Column 1 is titled Element and includes the following entries: Argon (gas), Argon (liquid).

Column 2 is titled Temperature (degrees Celsius) and includes the following entries: 27, negative 1.86
. Column 3 is titled Speed of Sound (meters per second) and includes the following entries: 323, 813.

If argon could exist as a solid, what would best represent the speed through solid argon?

10 m/s
250 m/s
500 m/s
3200 m/s