git clone --progress https://bitbucket.org/mirror/git.git SPEED ISSUE

[김태운]

Each time I use [git clone] command, the speed is different in my linux server.

ex 1)

git clone --progress https://bitbucket.org/mirror/git.git     
Initialized empty Git repository in /root/git/.git/
remote: Counting objects: 234594, done.
remote: Compressing objects: 100% (67582/67582), done.
^Cceiving objects:  70% (164216/234594), 31.89 MiB | 2.72 MiB/s  

ex 2)

git clone --progress https://bitbucket.org/mirror/git.git
Initialized empty Git repository in /root/git/.git/
remote: Counting objects: 234594, done.
remote: Compressing objects: 100% (67582/67582), done.
^Cceiving objects:   0% (528/234594), 196.00 KiB | 39 KiB/s  

Why? and tell me how to solved it issue