A deep sea diving bell is being lowered at a constant rate. Aher $12$ minutes, the bell is at a depth of $400$ ft$.$ Ather $38$ minutes the bell is at a depth of $1,300ft.$ What is the average rate ol loweing per minute? Round to three decimal places as needed.

A$.39\mathrm{.}13$ ft per minute

B$.37143$ ft per minute

C$.0\mathrm{.}026$ if per minute

D$.25\mathrm{.}714$ ft per minute