# data[].attributes.body
is the distance travelled by the object divided by the duration of the interval;

# data[].attributes.body
is a force that keeps an object at rest. It must be overcome to start moving the object.

# data[].attributes.body
is the amount of retarding force between two objects that are moving relative to each other.

# data[].attributes.body
the resistance that one surface or object encounters when moving over another.