Solución
v
(
t
)
=
⟨
−
3
s
e
n
t
,
3
c
o
s
t
,
2
t
⟩
,
a
(
t
)
=
⟨
−
3
c
o
s
t
,
−
3
s
e
n
t
,
2
⟩
,
rapidez
=
9
+
4
t
2
\bold{v}(t)=\lang −3sent,3cost,2t\rang, \bold{a}(t)=\lang −3cost,−3sent,2\rang,\\ \text{rapidez }\; =\sqrt{9+4t^2}
v
(
t
)
=
⟨
−
3
se
n
t
,
3
cos
t
,
2
t
⟩
,
a
(
t
)
=
⟨
−
3
cos
t
,
−
3
se
n
t
,
2
⟩
,
rapidez
=
9
+
4
t
2