Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_16439764_1 (m_v_ft_s INTEGER, time_to_ft__m__at_55°__seconds_ VARCHAR)

### Question ###
What is the maximum foot per second speed where time to feet ratio is 22.1 at 55 degrees?

### Accurate SQL ###

SELECT MAX(m_v_ft_s) FROM table_16439764_1 WHERE time_to_ft__m__at_55°__seconds_ = "22.1"