Keyword Analysis & Research: what is it called when velocity changes

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is it called when velocity changes	0.62	0.1	6296	45	39
what	0.18	0.7	846	89	4
is	0.6	0.2	8187	91	2
it	0.69	0.5	5377	62	2
called	1.26	1	3007	19	6
when	0.4	0.9	6006	63	4
velocity	0.26	0.4	8662	59	8
changes	0.83	0.5	955	49	7

Keyword	CPC	PCC	Volume	Score
what is it called when velocity changes	1.66	0.2	5919	73
the rate at which velocity changes is called	0.39	0.9	1735	50
the rate velocity changes with time is called	0.34	0.3	4191	54
the rate that velocity changes is called	1.23	0.7	3571	29
what is a change in velocity	1.51	0.6	9474	30
what describes a change in velocity	1.57	0.4	3656	30
a change in velocity is defined as	0.22	0.6	4076	3
rate of change of velocity is called	1.2	0.8	8058	69
change in velocity definition	0.12	0.1	8312	24
which of these are changes in velocity	1.22	1	8958	2
a change in velocity over time is	0.9	0.8	1704	54