Fix awful zero-division bug in speed calculation
Fix awful zero-division bug in speed calculation

GuildDio/oatot,GuildDio/oatot,GuildDio/oatot,oatot/oatot,GuildDio/oatot,oatot/oatot,oatot/oatot,GuildDio/oatot,oatot/oatot,oatot/oatot