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Mathematics
Problem
A particle moves along a line with velocity
v
(
t
)
=
5
−
2
t
v(t)=5-2t
v
(
t
)
=
5
−
2
t
meters per second for
0
≤
t
≤
3
0\le t\le3
0
≤
t
≤
3
. Describe the sign of the particle’s acceleration on this interval and explain what this indicates about how the velocity changes over time.
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