This is the 5312th most frequent Japanese word.
ft
The term "ft" is not a Japanese word; it is commonly used as an abbreviation in English for "feat" (featuring) in music collaborations or as a measurement unit for "foot/feet."
The abbreviation 'ft' here refers to feet, a unit of length measurement.
私の身長は5ft 9inです。
My height is 5ft 9in.
'ft' indicates the cable's length measured in feet.
このケーブルは10ftの長さがあります。
This cable is 10ft long.
In this context, 'ft' describes the height of the jump in feet.